Relative Velocity Gesture Recognition for Operation Body
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Solution Overview
Problem
Existing technologies face challenges in accurately recognizing gestures made by an operation body due to the consideration of absolute velocity components, which affects the accuracy of command execution, particularly in scenarios where relative movements are involved.
Innovation Solution
An information processing apparatus and method that calculates relative velocity between different points on an operation body, allowing for more accurate gesture recognition by isolating the relative velocity component from the absolute velocity, thereby improving the accuracy of gesture detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If absolute velocity is used to determine command execution, then the system can operate based on overall movement, but gesture recognition accuracy deteriorates due to inclusion of unwanted movement components
Solution Approach 1:
The velocity calculation is segmented into two independent components: velocity of the reference point (e.g., palm) and velocity of the operation point (e.g., fingertip). By calculating these separately and then computing their difference, the system isolates the gesture-specific velocity component from the overall movement, thereby improving gesture recognition accuracy without excessive complexity
Solution Approach 2:
The invention extracts and removes the reference point velocity component from the operation point velocity. By subtracting the reference point's velocity vector from the operation point's velocity vector, the system extracts only the relative motion component that corresponds to the actual gesture, eliminating the influence of unwanted overall movement
2Reliability
If absolute velocity-based command determination is used, then implementation is simple, but gesture recognition accuracy deteriorates in scenarios involving relative movements
Solution Approach 1:
The system dynamically adapts the velocity reference based on the operation context. By identifying a reference point on the operation body and calculating velocities relative to this dynamically chosen point rather than a fixed external frame, the system maintains reliability across different operation scenarios while keeping the implementation approach consistent and manageable
Data Source
AI summary
Provided is an information processing apparatus that includes a relative velocity calculation unit that calculates, on the basis of data obtained by sensing of an operation body in chronological order, a relative velocity of a second point on the operation body with respect to a first point on the operation body, and a gesture recognition unit that recognizes a gesture of the operation body on the basis of the relative velocity.